airbrake: remove from root

airbrake.go

diff --git a/airbrake.go b/airbrake.go
deleted file mode 100644
index 69a151b..0000000
--- a/airbrake.go
+++ /dev/null
@@ -1,43 +0,0 @@
-package logrus
-
-import (
-	"github.com/tobi/airbrake-go"
-)
-
-// AirbrakeHook to send exceptions to an exception-tracking service compatible
-// with the Airbrake API. You must set:
-// * airbrake.Endpoint
-// * airbrake.ApiKey
-// * airbrake.Environment (only sends exceptions when set to "production")
-//
-// Before using this hook, to send exceptions. Entries that trigger an Error,
-// Fatal or Panic should now include an "Error" field to send to Airbrake.
-type AirbrakeHook struct{}
-
-func (hook *AirbrakeHook) Fire(entry *Entry) error {
-	if entry.Data["error"] == nil {
-		entry.Logger.WithFields(Fields{
-			"source":   "airbrake",
-			"endpoint": airbrake.Endpoint,
-		}).Warn("Exceptions sent to Airbrake must have an 'error' key with the error")
-		return nil
-	}
-
-	err := airbrake.Notify(entry.Data["error"].(error))
-	if err != nil {
-		entry.Logger.WithFields(Fields{
-			"source":   "airbrake",
-			"endpoint": airbrake.Endpoint,
-		}).Warn("Failed to send error to Airbrake")
-	}
-
-	return nil
-}
-
-func (hook *AirbrakeHook) Levels() []Level {
-	return []Level{
-		Error,
-		Fatal,
-		Panic,
-	}
-}